Fourteenth class. 
29 
26. FIs in sessile clusters, united in a spike Betonica. 455. 
— FIs in clusters on peduncles 2—5 mm long, distant or 
the upper ones near together . . Ballota. 458. 
27 (1). Cor. sup., almost re'g. 5-fid. Ovary 3-celled. 
Linnaea. 273. 
— Cor. inf. Ovary 1—2-celled. 28 
28. Parasitic pis, never green, the Is reduced to scales 29 
— Green pis, with Is (Scrophulariacece) . . . SI 
29. Raceme unilateral. Scales opp. . . Lathraea. 432. 
— FIs in a spike, on all sides. Scales altern. , . 30 
30. Seps 2, 2-fid or entire, sometimes united in front. FI. 
with 1 bract.Orobanche. 434. 
— Cal. gamosep., campanulate, with 4—5 divisions or teeth. 
FI. with 3 bracts.Phelipaea. 433. 
31 (28). Caps., by suppression, 1-celled, l-seeded. Cor. yellow, 
with 5 almost equal lobes. Ls opp. . Tozzia. 428. 
— Caps., at any rate at the base, 2-celled, several- or many- 
seeded . 32 
32. Cal. with 4 teeth or divisions. (Upper lip of the cor. 
in the form of a casque) ..... 33 
— Cal. with 5 teeth or divisions, or bilabiate, and the lips 
often irreg. incised ...... 30 
33. Cal. inflated, laterally compressed.* Ls opp., crenate- 
dentate, sessile. FIs yellow . . Alectorolophus. 426. 
— Cal. tubular or campanulate, not inflated . . 34\ 
34. Caps.-cells 1—2-seeded: seed smooth. Ls entire 
Melampyrum. 429. 
— Caps.-cells several-seeded: seeds streaked longitudinally 
35 
35. Seeds with unequal ribs, rather broadly winged. Perenn. 
pis (Alpine).Bartsia. 430. 
— Seeds with equal ribs, not, or narrowly, winged. Ann. 
pis.Euphrasia. 431. 
36 (32). Peduncle radical. Cor. with 5 almost equal lobes 
Limosella. 422. 
— Peduncle not radical . . .... 37 
37. Cor. with a spur or lump at the base . . 38 
— Cor. with no spur or lump ..... 40 
38 Throat of the cor. open. Caul, ls 2—7-fid Anarrhinum. 420. 
— Throat of the cor. more or less closed by the prominent 
palate in the middle of the lower lip . . . 39 
39. Cor. with a conic-subulate spur . Linaria. 418. 
— Cor. with a short obtuse swelling. Ls undiv., entire. FIs red 
Antirrhinum. 419. 
40 (37). Upper lip of the cor. in the form of a casque. Ls 
pinnatisect.Pedicularis. 427. 
— Upper lip of the cor. not in the form of a casque 41 
